Home / 1,628,240.52-2,245,501.36-1,016,449.74

Finding the Fourth Proportional to 1,628,240.52, 2,245,501.36 and 1,016,449.74

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Solution

The fourth proportional to 1,628,240.52, 2,245,501.36 and 1,016,449.74 is: 1,401,782.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,628,240.52 : 2,245,501.36 = 1,016,449.74 : x
  2. Step 2: Convert to fraction form
    1,628,240.52/2,245,501.36 = 1,016,449.74/x
  3. Step 3: Cross multiply
    1,628,240.52x = 2,245,501.36 × 1,016,449.74
  4. Step 4: Simplify right side
    1,628,240.52x = 2,282,439,273,541.65
  5. Step 5: Solve for x
    x = 2,282,439,273,541.65/1,628,240.52
  6. Step 6: Final answer
    x = 1,401,782.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.